10~15 days after sowing, deep pine, depth 25 cm or more; on the plots with too deep sowing, low soil temperature, and weeds, before the emergence, use medlar to remove some of the ridge top soil, in order to improve the temperature, promote early Emergence.
[Strengthening of cultivator management]
After the seedlings emerged in time, shovel them again and plow a plow to raise the temperature. In the period of hair-cutting, shovel two times three times, multi-cultivation soil, so narrow ridges, ridges and roofs, mentioning loosing soil, to achieve multiple layers of potato, which is conducive to tuber enlargement.
ã€Appropriate top dressing】
When tuber diameter enlarges to 2-3 cm, the last intertillage is used for top dressing, and the type and amount of fertilization are determined according to soil fertilizer requirements to avoid defertilization affecting yield. In the tuber formation period and the expansion period, the combined application of pesticides for foliar dressing 3 to 4 times, interval 7 to 10 days.
ã€Irrigation timely】
Conditional land, when the soil is short of water, timely irrigation to keep the soil moist. In the late stage of the tuber and before harvesting, the water is controlled to prevent the occurrence of disease and rotten potatoes.
[enhanced disease prevention]
Prevention of late blight: In late June, spraying protective agents to prevent the disease. After the central diseased plant was found, it was immediately removed and administered with a systemic agent for prevention and control. The spray was sprayed every 7 to 10 days and sprayed 4 to 5 times. Seed field should increase the number of spraying to ensure seed quality. Insect pests: mainly locusts, before the emergence of the winged pupa, the southern part of our province was controlled on the June 20th and the beginning of the northern part of July.
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